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Finding the Fourth Proportional to 3,738.74, 5,601.92 and 1,655.62

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Solution

The fourth proportional to 3,738.74, 5,601.92 and 1,655.62 is: 2,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.74 : 5,601.92 = 1,655.62 : x
  2. Step 2: Convert to fraction form
    3,738.74/5,601.92 = 1,655.62/x
  3. Step 3: Cross multiply
    3,738.74x = 5,601.92 × 1,655.62
  4. Step 4: Simplify right side
    3,738.74x = 9,274,650.79
  5. Step 5: Solve for x
    x = 9,274,650.79/3,738.74
  6. Step 6: Final answer
    x = 2,480.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.